浮力控制系統 的英文怎麼說

中文拼音 [kòngzhìtǒng]
浮力控制系統 英文
controlled buoyancy system
  • : Ⅰ動詞1 (漂在液體表面) float; drift 2 [方言] (在水裡游) swim Ⅱ形容詞1 (在表面上的) superfici...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 浮力 : [流] buoyancy; buoyant force; buoyance; floatage; rising force; buoyancy force浮力參數 [流] buoya...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪工程水工模型試驗,分析了箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測定了箱門動水運行時的受情況,給出並分析了定位過程轉動的變化過程曲線;根據箱門啟閉速度與門體和岸墻之間撞擊大小的關,選擇合理的動設備,為設計和工程實踐提供可靠依據;分析箱門難以穩定上的原因,並給出解決方案。
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從理論的角度進行了分析,著重研究了中各部分的傳遞函數,利用開環傳遞函數分析了的穩定性,同時設計了的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調、頻標電路以及矩電流發生器等測試各部分硬體電路,驗證了電路的正確性,最後按照測試的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試軟體部分的設計,實現了測試功能。
  3. Abstract : adopting the serum - free and animal - source - free medium domestication express cell efficiently, setting up to express system efficiently, suspending culture cell, can raise the cell density in the scale turn the production, strengthen the cell vitality, control cell to propagate level, extension cell culture period, increase the target protein of yield, raise product quality, simplification of produces technics, reduce production cost, then raising the efficiency that the scale turns culture

    提要:採用無血清無動物組分培養基馴化高效表達細胞,構建高效表達,懸培養細胞,可以在規模化生產中,提高細胞密度,增強細胞活細胞增殖水平,延長細胞培養周期,增加目標蛋白的產量,提高產品質量,簡化生產工藝,降低生產成本,進而提高規模化培養的效能。
  4. The result illuminates that the maglev system is discouple completely, one input just only control one output, and the discoupling control system has good anti - jamming capability

    結果表明磁懸實現了完全解耦,一個輸入量僅一個輸出量,且解耦具有較好的抗干擾能
  5. This thesis has researched the design and control of a new triaxial air - bearing experimental system. in this thesis, the attitude determination and the attitude dynamics and control of the system was focused on

    本文對新型的三軸氣轉臺進行了設計與研究,重點研究了的姿態確定及動學與問題。
  6. The magnetic force coupling is analyzed and calculated. after building the dynamics model for the maglev system, discoupling design is run, and the simulation experiment with the leap response and capability of anti - jamming for maglev stage are carried out

    在建立了磁懸的動學模型基礎上,對磁懸進行了解耦設計,並對解耦后的磁懸定位平臺進行了階躍響應和抗干擾能的模擬試驗。
  7. This paper discusses the process of industrial control system that developed from distributed control system to fieldbus control system and its improvement. in the same time, this paper compares rs - 485 and can. this paper analyzes a concrete example to represent this system ' s advantage, such as convenience, common use

    在本論文中,以該應用的一個智能化單元? ?輥張單元為具體分析對象,詳細描繪其組武漢理工大學碩士學位論文成方式、工作原理、程序設計方法以及工作特點,對比了使用rs 485總線技術進行通信與使用can總線技術進行通信的不同,較好地體現了叢于觀場總線技術的染敝介實際工業應用中的優拎和特點。
  8. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能,一般可提高8左右。
  9. By magnetic field analysis for the stage, three formulas reached : one is magnetic road magnetic force calculational formula of magnetic levitation system that except flux leakage, the second is magnetic driving force calculational formula for open magnetic road dc linear motor, the third is magnetic flux density calculational formula for dc linear motor. these formulas make reference for design, analysis and control

    本文對磁懸定位平臺進行了電磁場分析,推導出磁懸不計漏磁的簡單磁路、磁計算公式和原理樣機所採用的開磁路直流直線電機推及磁通密度計算公式,為設計、分析及提供參考。
  10. Finally, the principle of phase - locked - loop for speed control is discussed. the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor. based on the analysis of shortcomings of the analog control system, a digital control system is proposed

    分析了採用鎖相環對電機轉速進行閉環的原理;設計了磁懸的模擬器並對磁懸血泵電機進行了實驗研究;針對模擬存在的缺點,本文設計了一種數字
  11. Research on lim thrust, efficiency and control scheme is made to conclude some measures of improving lim performance. and the electromagnetism resistance in maglev traffic is discussed in order to see the interaction mechanism of electromagnetism. firstly, the characters of lim are analyzed by simulation

    本文圍繞直線感應電機牽引的性能展開研究,其中涉及了直線牽引過程中的推、效率、方法以及磁交通中的電磁阻等問題,為提升直線牽引性能及明確電磁作用機理提供了參考。
  12. In this paper, the dynamic characteristics associated with the high - speed maglev vehicle and guideway coupling system has been studied. two issues are discussed : one is the asymptotic stability of the system and the other is the coupling vibration characteristic. the basic relation between the control, structure and coupling parameters is studied emphatically to trace the rule of the vibration and to give help for the design of guideway, vehicle structures and controller

    本文選擇高速磁列車方向的車軌耦合動學特性作為研究對象,分析車軌耦合動學的兩個基本問題:漸近穩定性和車軌耦合振動特性,重點研究、結構和各種耦合參數與這兩項特性的關,目的在於尋找車軌耦合振動的規律,為軌道、車輛結構和器設計提供參考。
  13. A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm

    闡述了無軸承異步電機的氣隙磁場定向策略,採用該非線性方法能使無軸承異步電機解耦成轉矩子和磁懸徑向,從而可以採用經典pid對這兩個獨立的子進行,首次實現了在0 3000rpm轉速范圍內的穩定懸
  14. Tension control equipped with floating roller, 7 - motor, 4 - section tension closed - loop control system

    採用動輥式,七電機四段張閉環
  15. A novel method of electrostatic suspension was developed. this article briefly discusses the basic concept, schematic setup and optronic feedback system of the electrostatic suspension. when taking an aluminum plate and a compact disc ( cd ) as the suspended objects respectively, it is measured the electrostatic forces acting on the objects under different electrode voltages and different electrode - object gaps. the experimental results show that the electrostatic forces are sufficient to levitate both of the suspended objects, namely the electrostatic suspension method is practically feasible. compared to the conventional magnetic suspension, the significant characteristic of the electrostatic suspension is that it is capable of suspending most of the conductive and / or nonconductive, magnetic and / or nonmagnetic objects. therefore, this method can be widely applied to realize the electrostatic suspension and non - contact manipulation of the precision objects

    本文提出光電反饋式靜電懸的新方法,簡要討論靜電懸的原理、裝置及其光電反饋過程.採用鋁片和cd光盤作為懸體,測定了不同靜電電壓和不同懸間距時的靜電懸,揭示了它們之間的相互關.結果顯示這兩種懸體均可獲得足夠的靜電懸,證明了靜電懸的可行性.靜電懸方法的顯著特點是既適用於導電體與非導電體的懸,又適用於磁性體與非磁性體的懸,克服了傳磁懸技術僅適用於磁性體的局限性,可廣泛應用於精密元器件的懸與非接觸無損操作
  16. Firstly, in this thesis the dynamic model of the low - speed maglev train is analyzed. on the analysis of the principle of electric brake and mechanical brake the structure of electric - mechanical brake control system is set up. the concept of brake task programming and electric - mechanical brake controller is put forward

    首先,本文通過分析低速磁列車的動學模型,研究了低速磁列車電動和機械動的原理,分析和構建了電-機械聯合的結構,提出了動任務規劃器和電-機械聯合器的概念。
  17. However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable

    由於存在漏磁,用公式的解析法計算有很大的誤差,因此本文採用有限元法( fem )來計算磁懸磁場分佈,從而計算磁,通過用ansys7 . 1軟體進行有限元電磁場分析計算,得到平臺穩定懸時電磁線圈所需電流、懸氣隙等參數,由於設計的磁懸為非軸對稱結構,採用2d磁場分析有一定的誤差,而採用3d電磁場分析更接近實際。
  18. The air bearing is the most important part of an attitude control system simulator for simulating a satellite moving in the weightless circumstance. performance of a satellite attitude simulation system based on air bearing is decided by the inertia matrix and gravity disturbance torque arising from a difference between mass center and rotation center, and air bearing can be used to simulate the algorithm of on - line mass - property parameters identification on the ground. so the problem of mass - property and gravity disturbance torque identification for satellite and air bearing is studied in this thesis

    臺能夠模擬衛星在軌失重條件下的姿態運動,是衛星姿態物理模擬的核心部件,其轉動慣量和質心偏移引起的重干擾矩等決定了基於氣臺的衛星姿態物理模擬的性能,並且利用氣臺可以實現衛星質量特性在線辨識演算法的地面物理模擬驗證,因此本文對衛星和氣臺的質量特性及干擾矩在線辨識問題進行深入研究。
  19. The disturbance suppression performance of single point suspending control system is studied later by the asymptotic stability and state stability. after that, we research on the following content : 1

    通過分析二級結構單點懸的漸近穩定性和狀態穩定區間,研究了的抗干擾能
  20. The experimental results show that the proposed decoupling control principle, method of magnetic suspension forces and the bearingless motor with a hybrid rotor are correct and feasible

    對所研製的混合式轉子無軸承電機樣機及其進行實驗研究,驗證了本文提出的磁懸解耦的機理與方法和混合式轉子無軸承電機的可行性和合理性。
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